Vibhanga

The collective name for two closely connected works of the
Vinaya Pitaka, which, in manuscripts, are generally called Pārājikā and
Pācittiya.

The collection is considered to be an extensive treatise
on the Pātimokkha rules, giving the occasion for the formulating of each rule,
with some explanation or illustration of various terms employed in the wording
of the rule. The rule is sometimes further illustrated by reference to cases
which come within it and to others which form exceptions to it.

The collection is also called Sutta Vibhanga and is
divided into two parts: